1. The writer asks about the number of hours per week, how to get to the camp and if he could get references.

2. 

• Wyjaśnij: 'I'm interested in the offer because I love sports and I would like to get some work experience (...)'
• Dowiedz się: 'how many times per week does the job require?'
• Poproś o informacje: 'I'd like to know hot to get to the camp (...)
• Zapytaj: 'could you tell me if I can get references (...)